In case of fire, sound the fire alarm.
如果发生火灾，请按警铃。
If you discovery a fire, break the glass to sound the fire alarm.
如果你发现了火灾，打碎玻璃去弄响火警铃报警。
The man looked worried because he didn't know how to sound the fire alarm.
那个人看起来很着急，因为他不知道怎么弄响警铃。
Press the button to sound the alarm in case of fire.
万一发生火灾，按这个按钮报警。
Sound the alarm bell in case a fire breaks out.
万一发生火灾你就按响警铃。
The Boss's monologue is interrupted by the sound of a fire alarm.
老板的长篇大论被一阵火警声打断。
So it is important to sound an alarm when the fire is still small.
当火小的时候想起消防警报是很重要的。
When the alarm monitors the fire information, it produces sound-light alarm signal immediately.
当报警器监测到火情信息后，立即产生声光报警信号。
When the alarm monitors the fire information, it produces sound-light alarm signal immediately.
当报警器监测到火情信息后，立即产生声光报警信号。
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